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Brussels Sprout Planting Dates by State and Region

Published brussels sprout planting windows for 1 places, with the source and the caveats you need before you use them.

Brussels Sprout windows by place
PlacePlantingHarvest
New HampshireStart indoors: start seeds indoors 4-6 weeks before setting out; Transplanting: transplant 2-4 weeks before last frost

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Brussels Sprout calendar by place
ItemJanFebMarAprMayJunJulAugSepOctNovDec
New Hampshire start indoorsTiming in table above
New Hampshire transplantingTiming in table above
Frost-date caveat: ranges blur real differences inside a state or region. Use them to plan, then fit them to your last frost date, soil temperature and field conditions.

Related guides

Last reviewed: November 2026. Source: UNH Extension - Growing Vegetables: When to Plant Your Vegetable Garden.